22151050040 has 64 divisors (see below), whose sum is σ = 57255111360. Its totient is φ = 7555276800.

The previous prime is 22151050037. The next prime is 22151050063. The reversal of 22151050040 is 4005015122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22151049994 and 22151050021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150911 + ... + 258990.

It is an arithmetic number, because the mean of its divisors is an integer number (894611115).

Almost surely, 2^22151050040 is an apocalyptic number.

22151050040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22151050040 is an abundant number, since it is smaller than the sum of its proper divisors (35104061320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22151050040 is a wasteful number, since it uses less digits than its factorization.

22151050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410112 (or 410108 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 22151050040 its reverse (4005015122), we get a palindrome (26156065162).

The spelling of 22151050040 in words is "twenty-two billion, one hundred fifty-one million, fifty thousand, forty".